{"cve":"CVE-2019-9874","nvd":{"published":"2019-05-31T21:29:06.123","modified":"2026-06-17T02:44:46.077","status":"Analyzed","description":"Deserialization of Untrusted Data in the Sitecore.Security.AntiCSRF (aka anti CSRF) module in Sitecore CMS 7.0 to 7.2 and Sitecore XP 7.5 to 8.2 allows an unauthenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-502"],"references":["https://dev.sitecore.net/Downloads.aspx","https://www.synacktiv.com/blog.html","https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdf","https://dev.sitecore.net/Downloads.aspx","https://www.synacktiv.com/blog.html"],"products":["sitecore:cms","sitecore:experience_platform"],"source":"nvd","synced_at":"2026-10-19T20:57:00.690689396+00:00"},"epss":{"cve":"CVE-2019-9874","score":0.83736,"percentile":0.99688,"date":"2026-10-31"},"kev":{"cve":"CVE-2019-9874","date_added":"2025-03-26","due_date":"2025-04-16","vendor":"Sitecore","product":"CMS and Experience Platform (XP)","known_ransomware":false},"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}